\x09\x09 \x09 \x09 \x09 \x09 \x09\x09 \x09 \x09\x09 \x09\x09 \x09 \x09 \x09 \x09\x09 \x09\x09\x09 \x09 \x09 \x09\x09 \x09 \x09\x09 \x09 \x09 \x09 \x09 \x09\x09 \x09\x09\x09 \x09
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
push -1(1b) mark null push +1(1b) add dup getc dup push +24(5b) mod push +13(4b) sub jneg null dup retr dup push +43(6b) mod push +1(1b) add push +33(6b) swap mod add putc jump null